Reduce Android realtime heartbeat noise

tests/android-root-realtime-noise.test.ts

@@ -0,0 +1,16 @@
+import test from "node:test";
+import assert from "node:assert/strict";
+import { readFile } from "node:fs/promises";
+
+test("android root page does not force a full list refresh for initial context snapshots", async () => {
+  const source = await readFile(
+    new URL("../android/app/src/main/java/com/hyzq/boss/MainActivity.java", import.meta.url),
+    "utf8",
+  );
+
+  assert.doesNotMatch(
+    source,
+    /"conversation\.context_indicator\.updated"[\s\S]{0,120}return true;/,
+    "context indicator snapshots are payload-only hints and should not trigger a full Android list reload",
+  );
+});